merge 0.18 release notes
merge 0.18 release notes

AaronTao1990/scrapy,sigma-random/scrapy,pfctdayelise/scrapy,ssh-odoo/scrapy,smaty1/scrapy,sigma-random/scrapy,1yvT0s/scrapy,kalessin/scrapy,agreen/scrapy,tagatac/scrapy,stenskjaer/scrapy,legendtkl/scrapy,AaronTao1990/scrapy,hyrole/scrapy,curita/scrapy,ssh-odoo/scrapy,Preetwinder/scrapy,cyberplant/scrapy,joshlk/scrapy,zorojean/scrapy,smaty1/scrapy,nett55/scrapy,rdowinton/scrapy,scorphus/scrapy,darkrho/scrapy-scrapy,legendtkl/scrapy,nowopen/scrapy,famorted/scrapy,rahul-c1/scrapy,kashyap32/scrapy,pranjalpatil/scrapy,crasker/scrapy,avtoritet/scrapy,shaform/scrapy,dracony/scrapy,hectoruelo/scrapy,aivarsk/scrapy,eLRuLL/scrapy,hwsyy/scrapy,Digenis/scrapy,JacobStevenR/scrapy,ramiro/scrapy,URXtech/scrapy,heamon7/scrapy,Lucifer-Kim/scrapy,arush0311/scrapy,Ryezhang/scrapy,zjuwangg/scrapy,finfish/scrapy,curita/scrapy,agusc/scrapy,pablohoffman/scrapy,wenyu1001/scrapy,barraponto/scrapy,sardok/scrapy,Ryezhang/scrapy,KublaikhanGeek/scrapy,jeffreyjinfeng/scrapy,Geeglee/scrapy,xiao26/scrapy,farhan0581/scrapy,hwsyy/scrapy,amboxer21/scrapy,jdemaeyer/scrapy,nett55/scrapy,yidongliu/scrapy,farhan0581/scrapy,fontenele/scrapy,taito/scrapy,tntC4stl3/scrapy,Partoo/scrapy,bmess/scrapy,elijah513/scrapy,stenskjaer/scrapy,Cnfc19932/scrapy,dhenyjarasandy/scrapy,livepy/scrapy,rolando/scrapy,nikgr95/scrapy,TarasRudnyk/scrapy,Zephor5/scrapy,elijah513/scrapy,kimimj/scrapy,yarikoptic/scrapy,olorz/scrapy,jeffreyjinfeng/scrapy,dhenyjarasandy/scrapy,pombredanne/scrapy,nguyenhongson03/scrapy,nguyenhongson03/scrapy,w495/scrapy,ssteo/scrapy,rolando-contrib/scrapy,finfish/scrapy,moraesnicol/scrapy,hyrole/scrapy,wujuguang/scrapy,snowdream1314/scrapy,scrapy/scrapy,cursesun/scrapy,dangra/scrapy,beni55/scrapy,Slater-Victoroff/scrapy,rklabs/scrapy,mgedmin/scrapy,jdemaeyer/scrapy,pombredanne/scrapy,ramiro/scrapy,aivarsk/scrapy,dgillis/scrapy,TarasRudnyk/scrapy,tntC4stl3/scrapy,webmakin/scrapy,Lucifer-Kim/scrapy,hectoruelo/scrapy,nfunato/scrapy,olafdietsche/scrapy,gbirke/scrapy,wangjun/scrapy,z-fork/scrapy,devGregA/scrapy,hwsyy/scrapy,lacrazyboy/scrapy,Djlavoy/scrapy,kalessin/scrapy,ArturGaspar/scrapy,starrify/scrapy,fpy171/scrapy,jiezhu2007/scrapy,CodeJuan/scrapy,joshlk/scrapy,olorz/scrapy,xiao26/scrapy,rolando/scrapy,pawelmhm/scrapy,zackslash/scrapy,beni55/scrapy,smaty1/scrapy,crasker/scrapy,liyy7/scrapy,profjrr/scrapy,nfunato/scrapy,johnardavies/scrapy,Ryezhang/scrapy,kmike/scrapy,irwinlove/scrapy,pranjalpatil/scrapy,ramiro/scrapy,w495/scrapy,GregoryVigoTorres/scrapy,CodeJuan/scrapy,cleydson/scrapy,nett55/scrapy,eliasdorneles/scrapy,yidongliu/scrapy,cursesun/scrapy,arush0311/scrapy,csalazar/scrapy,mlyundin/scrapy,Slater-Victoroff/scrapy,nikgr95/scrapy,CodeJuan/scrapy,github-account-because-they-want-it/scrapy,YeelerG/scrapy,Adai0808/scrapy-1,WilliamKinaan/scrapy,livepy/scrapy,Cnfc19932/scrapy,dgillis/scrapy,pranjalpatil/scrapy,AaronTao1990/scrapy,crasker/scrapy,Chenmxs/scrapy,devGregA/scrapy,kazitanvirahsan/scrapy,Preetwinder/scrapy,YeelerG/scrapy,codebhendi/scrapy,heamon7/scrapy,coderabhishek/scrapy,jdemaeyer/scrapy,umrashrf/scrapy,CENDARI/scrapy,github-account-because-they-want-it/scrapy,rahulsharma1991/scrapy,darkrho/scrapy-scrapy,eliasdorneles/scrapy,jiezhu2007/scrapy,snowdream1314/scrapy,TarasRudnyk/scrapy,WilliamKinaan/scrapy,tagatac/scrapy,ENjOyAbLE1991/scrapy,wangjun/scrapy,yusofm/scrapy,Preetwinder/scrapy,ylcolala/scrapy,darkrho/scrapy-scrapy,Timeship/scrapy,Chenmxs/scrapy,CENDARI/scrapy,beni55/scrapy,fontenele/scrapy,raphaelfruneaux/scrapy,Timeship/scrapy,zhangtao11/scrapy,hectoruelo/scrapy,ArturGaspar/scrapy,GregoryVigoTorres/scrapy,jorik041/scrapy,cursesun/scrapy,Zephor5/scrapy,irwinlove/scrapy,elijah513/scrapy,ENjOyAbLE1991/scrapy,dangra/scrapy,fontenele/scrapy,finfish/scrapy,haiiiiiyun/scrapy,haiiiiiyun/scrapy,rolando-contrib/scrapy,carlosp420/scrapy,olorz/scrapy,yusofm/scrapy,z-fork/scrapy,Geeglee/scrapy,jorik041/scrapy,wzyuliyang/scrapy,webmakin/scrapy,Slater-Victoroff/scrapy,barraponto/scrapy,elacuesta/scrapy,heamon7/scrapy,yidongliu/scrapy,jiezhu2007/scrapy,agreen/scrapy,Allianzcortex/scrapy,rootAvish/scrapy,dgillis/scrapy,Adai0808/scrapy-1,github-account-because-they-want-it/scrapy,ylcolala/scrapy,Zephor5/scrapy,johnardavies/scrapy,jc0n/scrapy,codebhendi/scrapy,scorphus/scrapy,pfctdayelise/scrapy,pfctdayelise/scrapy,ArturGaspar/scrapy,1yvT0s/scrapy,OpenWhere/scrapy,kimimj/scrapy,wzyuliyang/scrapy,kashyap32/scrapy,songfj/scrapy,cleydson/scrapy,kazitanvirahsan/scrapy,URXtech/scrapy,kimimj/scrapy,bmess/scrapy,tliber/scrapy,cyrixhero/scrapy,nguyenhongson03/scrapy,Bourneer/scrapy,IvanGavran/scrapy,kazitanvirahsan/scrapy,redapple/scrapy,tagatac/scrapy,jamesblunt/scrapy,umrashrf/scrapy,JacobStevenR/scrapy,devGregA/scrapy,hbwzhsh/scrapy,jc0n/scrapy,dracony/scrapy,aivarsk/scrapy,zhangtao11/scrapy,songfj/scrapy,foromer4/scrapy,hbwzhsh/scrapy,carlosp420/scrapy,cyberplant/scrapy,ssteo/scrapy,Partoo/scrapy,KublaikhanGeek/scrapy,fafaman/scrapy,rolando-contrib/scrapy,zhangtao11/scrapy,hansenDise/scrapy,ylcolala/scrapy,mgedmin/scrapy,Cnfc19932/scrapy,stenskjaer/scrapy,agusc/scrapy,kmike/scrapy,zjuwangg/scrapy,pablohoffman/scrapy,Djlavoy/scrapy,huoxudong125/scrapy,olafdietsche/scrapy,ashishnerkar1/scrapy,nfunato/scrapy,rklabs/scrapy,huoxudong125/scrapy,taito/scrapy,johnardavies/scrapy,farhan0581/scrapy,Geeglee/scrapy,godfreyy/scrapy,starrify/scrapy,Parlin-Galanodel/scrapy,ashishnerkar1/scrapy,foromer4/scrapy,huoxudong125/scrapy,csalazar/scrapy,zackslash/scrapy,nikgr95/scrapy,avtoritet/scrapy,godfreyy/scrapy,wujuguang/scrapy,coderabhishek/scrapy,dhenyjarasandy/scrapy,Digenis/scrapy,pablohoffman/scrapy,legendtkl/scrapy,chekunkov/scrapy,raphaelfruneaux/scrapy,ssh-odoo/scrapy,fpy171/scrapy,hbwzhsh/scrapy,lacrazyboy/scrapy,foromer4/scrapy,yusofm/scrapy,fqul/scrapy,Chenmxs/scrapy,shaform/scrapy,codebhendi/scrapy,godfreyy/scrapy,starrify/scrapy,dangra/scrapy,liyy7/scrapy,rootAvish/scrapy,OpenWhere/scrapy,kmike/scrapy,famorted/scrapy,carlosp420/scrapy,OpenWhere/scrapy,coderabhishek/scrapy,Timeship/scrapy,jamesblunt/scrapy,sardok/scrapy,agusc/scrapy,pawelmhm/scrapy,liyy7/scrapy,barraponto/scrapy,tntC4stl3/scrapy,umrashrf/scrapy,cyberplant/scrapy,Bourneer/scrapy,shaform/scrapy,zorojean/scrapy,hansenDise/scrapy,hansenDise/scrapy,elacuesta/scrapy,dacjames/scrapy,rklabs/scrapy,rdowinton/scrapy,tliber/scrapy,livepy/scrapy,haiiiiiyun/scrapy,Adai0808/scrapy-1,rolando/scrapy,mgedmin/scrapy,rahulsharma1991/scrapy,tliber/scrapy,taito/scrapy,Djlavoy/scrapy,jc0n/scrapy,xiao26/scrapy,eLRuLL/scrapy,Allianzcortex/scrapy,KublaikhanGeek/scrapy,JacobStevenR/scrapy,GregoryVigoTorres/scrapy,rahulsharma1991/scrapy,lacrazyboy/scrapy,profjrr/scrapy,snowdream1314/scrapy,pombredanne/scrapy,fafaman/scrapy,zjuwangg/scrapy,bmess/scrapy,kashyap32/scrapy,scrapy/scrapy,w495/scrapy,cyrixhero/scrapy,Partoo/scrapy,ssteo/scrapy,eliasdorneles/scrapy,cyrixhero/scrapy,scorphus/scrapy,rahul-c1/scrapy,chekunkov/scrapy,kalessin/scrapy,avtoritet/scrapy,songfj/scrapy,eLRuLL/scrapy,Parlin-Galanodel/scrapy,csalazar/scrapy,profjrr/scrapy,dracony/scrapy,wenyu1001/scrapy,mlyundin/scrapy,nowopen/scrapy,CENDARI/scrapy,zorojean/scrapy,z-fork/scrapy,curita/scrapy,Digenis/scrapy,dacjames/scrapy,redapple/scrapy,fafaman/scrapy,yarikoptic/scrapy,fqul/scrapy,Lucifer-Kim/scrapy,zackslash/scrapy,wzyuliyang/scrapy,moraesnicol/scrapy,agreen/scrapy,nowopen/scrapy,rdowinton/scrapy,yarikoptic/scrapy,elacuesta/scrapy,pawelmhm/scrapy,ENjOyAbLE1991/scrapy,IvanGavran/scrapy,Allianzcortex/scrapy,scrapy/scrapy,1yvT0s/scrapy,irwinlove/scrapy,wujuguang/scrapy,rootAvish/scrapy,amboxer21/scrapy,rahul-c1/scrapy,wenyu1001/scrapy,raphaelfruneaux/scrapy,fpy171/scrapy,wangjun/scrapy,dacjames/scrapy,mlyundin/scrapy,Parlin-Galanodel/scrapy,webmakin/scrapy,Bourneer/scrapy,joshlk/scrapy,arush0311/scrapy,famorted/scrapy,jorik041/scrapy,gbirke/scrapy,cleydson/scrapy,redapple/scrapy,moraesnicol/scrapy,chekunkov/scrapy,jeffreyjinfeng/scrapy,IvanGavran/scrapy,amboxer21/scrapy,URXtech/scrapy,YeelerG/scrapy,fqul/scrapy,WilliamKinaan/scrapy,olafdietsche/scrapy,hyrole/scrapy